Based on this product's specifications, here are some alternatives and similar models
Document Laminating Pouches GBC A4 2x125 Micron Gloss (25)
Summary description:
GBC Document Laminating Pouches are designed for A4 documents, featuring a thickness of 2x125 microns for optimal protection. The transparent finish enhances visibility while safeguarding your documents from wear and tear. Each pack contains 25 pouches, measuring 216 mm in width and 303 mm in height, making them ideal for preserving important papers, photos, and presentations.